/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var echarts = require("../../echarts");

var createListSimply = require("../helper/createListSimply");

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

var modelUtil = require("../../util/model");

var _number = require("../../util/number");

var getPercentWithPrecision = _number.getPercentWithPrecision;

var dataSelectableMixin = require("../../component/helper/selectableMixin");

var _dataProvider = require("../../data/helper/dataProvider");

var retrieveRawAttr = _dataProvider.retrieveRawAttr;

var _sourceHelper = require("../../data/helper/sourceHelper");

var makeSeriesEncodeForNameBased = _sourceHelper.makeSeriesEncodeForNameBased;

var LegendVisualProvider = require("../../visual/LegendVisualProvider");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
var PieSeries = echarts.extendSeriesModel({
    type: "series.pie",
    // Overwrite
    init: function (option) {
        PieSeries.superApply(this, "init", arguments); // Enable legend selection for each data item
        // Use a function instead of direct access because data reference may changed

        this.legendVisualProvider = new LegendVisualProvider(
            zrUtil.bind(this.getData, this),
            zrUtil.bind(this.getRawData, this)
        );
        this.updateSelectedMap(this._createSelectableList());

        this._defaultLabelLine(option);
    },
    // Overwrite
    mergeOption: function (newOption) {
        PieSeries.superCall(this, "mergeOption", newOption);
        this.updateSelectedMap(this._createSelectableList());
    },
    getInitialData: function (option, ecModel) {
        return createListSimply(this, {
            coordDimensions: ["value"],
            encodeDefaulter: zrUtil.curry(makeSeriesEncodeForNameBased, this),
        });
    },
    _createSelectableList: function () {
        var data = this.getRawData();
        var valueDim = data.mapDimension("value");
        var targetList = [];

        for (var i = 0, len = data.count(); i < len; i++) {
            targetList.push({
                name: data.getName(i),
                value: data.get(valueDim, i),
                selected: retrieveRawAttr(data, i, "selected"),
            });
        }

        return targetList;
    },
    // Overwrite
    getDataParams: function (dataIndex) {
        var data = this.getData();
        var params = PieSeries.superCall(this, "getDataParams", dataIndex); // FIXME toFixed?

        var valueList = [];
        data.each(data.mapDimension("value"), function (value) {
            valueList.push(value);
        });
        params.percent = getPercentWithPrecision(
            valueList,
            dataIndex,
            data.hostModel.get("percentPrecision")
        );
        params.$vars.push("percent");
        return params;
    },
    _defaultLabelLine: function (option) {
        // Extend labelLine emphasis
        modelUtil.defaultEmphasis(option, "labelLine", ["show"]);
        var labelLineNormalOpt = option.labelLine;
        var labelLineEmphasisOpt = option.emphasis.labelLine; // Not show label line if `label.normal.show = false`

        labelLineNormalOpt.show = labelLineNormalOpt.show && option.label.show;
        labelLineEmphasisOpt.show =
            labelLineEmphasisOpt.show && option.emphasis.label.show;
    },
    defaultOption: {
        zlevel: 0,
        z: 2,
        legendHoverLink: true,
        hoverAnimation: true,
        // 默认全局居中
        center: ["50%", "50%"],
        radius: [0, "75%"],
        // 默认顺时针
        clockwise: true,
        startAngle: 90,
        // 最小角度改为0
        minAngle: 0,
        // If the angle of a sector less than `minShowLabelAngle`,
        // the label will not be displayed.
        minShowLabelAngle: 0,
        // 选中时扇区偏移量
        selectedOffset: 10,
        // 高亮扇区偏移量
        hoverOffset: 10,
        // If use strategy to avoid label overlapping
        avoidLabelOverlap: true,
        // 选择模式，默认关闭，可选single，multiple
        // selectedMode: false,
        // 南丁格尔玫瑰图模式，'radius'（半径） | 'area'（面积）
        // roseType: null,
        percentPrecision: 2,
        // If still show when all data zero.
        stillShowZeroSum: true,
        // cursor: null,
        left: 0,
        top: 0,
        right: 0,
        bottom: 0,
        width: null,
        height: null,
        label: {
            // If rotate around circle
            rotate: false,
            show: true,
            // 'outer', 'inside', 'center'
            position: "outer",
            // 'none', 'labelLine', 'edge'. Works only when position is 'outer'
            alignTo: "none",
            // Closest distance between label and chart edge.
            // Works only position is 'outer' and alignTo is 'edge'.
            margin: "25%",
            // Works only position is 'outer' and alignTo is not 'edge'.
            bleedMargin: 10,
            // Distance between text and label line.
            distanceToLabelLine: 5, // formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
            // 默认使用全局文本样式，详见TEXTSTYLE
            // distance: 当position为inner时有效，为label位置到圆心的距离与圆半径(环状图为内外半径和)的比例系数
        },
        // Enabled when label.normal.position is 'outer'
        labelLine: {
            show: true,
            // 引导线两段中的第一段长度
            length: 15,
            // 引导线两段中的第二段长度
            length2: 15,
            smooth: false,
            lineStyle: {
                // color: 各异,
                width: 1,
                type: "solid",
            },
        },
        itemStyle: {
            borderWidth: 1,
        },
        // Animation type. Valid values: expansion, scale
        animationType: "expansion",
        // Animation type when update. Valid values: transition, expansion
        animationTypeUpdate: "transition",
        animationEasing: "cubicOut",
    },
});
zrUtil.mixin(PieSeries, dataSelectableMixin);
var _default = PieSeries;
module.exports = _default;
